rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=1e7/1/0x4000000000000000 softirq=29089/29089 fqs=5127 
	(t=10500 jiffies g=47085 q=3487)
NMI backtrace for cpu 0
CPU: 0 PID: 8579 Comm: kworker/0:9 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events prog_array_map_clear_deferred
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3878 [inline]
 rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2597
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__kasan_check_read+0x0/0x10 mm/kasan/shadow.c:31
Code: 8b e8 40 d1 36 07 48 85 db 0f 85 77 29 38 07 48 83 c4 60 5b 5d 41 5c 41 5d c3 c3 e9 77 2a 38 07 cc cc cc cc cc cc cc cc cc cc <48> 8b 0c 24 89 f6 31 d2 e9 03 f9 ff ff 0f 1f 00 48 8b 0c 24 89 f6
RSP: 0018:ffffc900171cfba0 EFLAGS: 00000246
RAX: ffffc900191d0000 RBX: ffff88807aa7b060 RCX: 0000000000000000
RDX: 1ffff9200323a031 RSI: 0000000000000008 RDI: ffff88807aa7b060
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffc900547122d7
R10: fffff5200a8e245a R11: 0000000000000000 R12: 00000000076a8428
R13: ffffc900191d0188 R14: ffffffff8993db80 R15: 0000000010000007
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 atomic_long_read include/linux/atomic/atomic-instrumented.h:1183 [inline]
 __mutex_owner kernel/locking/mutex.c:78 [inline]
 mutex_is_locked+0xe/0x40 kernel/locking/mutex.c:88
 prog_array_map_poke_run+0x5e/0x6b0 kernel/bpf/arraymap.c:962
 fd_array_map_delete_elem+0x185/0x2e0 kernel/bpf/arraymap.c:823
 bpf_fd_array_map_clear kernel/bpf/arraymap.c:871 [inline]
 prog_array_map_clear_deferred+0x10b/0x1b0 kernel/bpf/arraymap.c:1050
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e8 40 d1 36 07       	callq  0x736d145
   5:	48 85 db             	test   %rbx,%rbx
   8:	0f 85 77 29 38 07    	jne    0x7382985
   e:	48 83 c4 60          	add    $0x60,%rsp
  12:	5b                   	pop    %rbx
  13:	5d                   	pop    %rbp
  14:	41 5c                	pop    %r12
  16:	41 5d                	pop    %r13
  18:	c3                   	retq
  19:	c3                   	retq
  1a:	e9 77 2a 38 07       	jmpq   0x7382a96
  1f:	cc                   	int3
  20:	cc                   	int3
  21:	cc                   	int3
  22:	cc                   	int3
  23:	cc                   	int3
  24:	cc                   	int3
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
* 29:	48 8b 0c 24          	mov    (%rsp),%rcx <-- trapping instruction
  2d:	89 f6                	mov    %esi,%esi
  2f:	31 d2                	xor    %edx,%edx
  31:	e9 03 f9 ff ff       	jmpq   0xfffff939
  36:	0f 1f 00             	nopl   (%rax)
  39:	48 8b 0c 24          	mov    (%rsp),%rcx
  3d:	89 f6                	mov    %esi,%esi